html, body, #app, .elContainer {
  width: 100%;
  height: 100%;
  margin: 0;
}

#app, flexbox_column {
  display: -webkit-flex; /* Safari */
  display: flex;
  flex-direction: column;
}

.flexbox_row {
  display: -webkit-flex; /* Safari */
  display: flex;
  flex-direction: row;
}

.flexbox_reverserow {
  display: -webkit-flex; /* Safari */
  display: flex;
  flex-direction: row-reverse;
}

